25481379

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2347}}^1$

素因数の和:2415

約数の個数: 32

約数和(自身を含む): 43278336

約数和(自身を除く): 17796957

約数列:

[1, 3, 7, 11, 21, 33, 47, 77, 141, 231, 329, 517, 987, 1551, 2347, 3619, 7041, 10857, 16429, 25817, 49287, 77451, 110309, 180719, 330927, 542157, 772163, 1213399, 2316489, 3640197, 8493793, 25481379]

約数ペア:

[(1, 25481379), (3, 8493793), (7, 3640197), (11, 2316489), (21, 1213399), (33, 772163), (47, 542157), (77, 330927), (141, 180719), (231, 110309), (329, 77451), (517, 49287), (987, 25817), (1551, 16429), (2347, 10857), (3619, 7041)]